a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment
briandmyers  ·  4514 days ago  ·  link  ·    ·  parent  ·  post: Cyborg America: inside the strange new world of basement body hackers

I believe the movement of your own body is enough - the magnetic field itself need not be oscillating, to be detected (although an oscillating magnetic field would induce a lot more motion in the magnet). But I'm just speculating, have not tried anything yet.